package com.weigang.aop.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Component
@Aspect
public class LogAspect {

    @Pointcut(value = "execution(* com.weigang.aop.service.*.*(..))")
    public void pcl() {
    }

    @Before(value = "pcl()")
    public void before(JoinPoint point) {
        String name = point.getSignature().getName();
        System.out.println(name + "方法开始执行 ．．．");
    }

    @After(value = "pcl()")
    public void after(JoinPoint point) {
        String name = point.getSignature().getName();
        System.out.println(name + "方法执行结束 ．．．");
    }

    @AfterReturning(value = "pcl()", returning = "result")
    public void afterReturning(JoinPoint point, Object result) {
        String name = point.getSignature().getName();
        System.out.println(name + "方法返回值为：" + result);
    }

    @AfterThrowing(value = "pcl()", throwing = "e")
    public void afterThrowing(JoinPoint point, Exception e) {
        String name = point.getSignature().getName();
        System.out.println(name + "方法抛异常了，异常是：" + e.getMessage());
    }

    @Around("pcl()")
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        return pjp.proceed();

    }
}


